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Thread: broken bolt in the block....

  1. #1
    Senior Member ttocs's Avatar
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    broken bolt in the block....

    in the process of replacing my gt intake with a cobra a bolt broke in the block that holds the lower in place. If it was one in the middle I would be less concerned but this is one of the ones that is on the end(front drivers side) and I am sure it will leak with out it....... What do I do?

  2. #2
    Senior Member DVSRICK's Avatar
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    Thats happened to me before but I was able to use an EZ Out ( a drill bit that you drill into the bolt that threads the bolt out)

    93 FOX

  3. #3
    Senior Member ttocs's Avatar
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    I tried one of them and it didn't do anything. I tried drilling a small hole in the bolt to help it and it didn't do anything...

  4. #4
    Junior Member azrobw's Avatar
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    I'd try a larger ez out and if that doesn't work I'd say you need to continue to drill it out and use a tap and die to rethread. Good luck!!
    Robert

  5. #5
    Senior Member santa_rosa_lt1's Avatar
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    remeber that its a right hand drill bit
    2003 svt Lightning
    chickenears cai

    bassani catback
    bassani catted mid
    LFP stage one W/ 4lb lower
    Fluidyne HE

    a little faster then stock.

  6. #6
    Senior Member 93mustank's Avatar
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    Same thing happened to me.....ez out then a good ol' heely coil

  7. #7
    Senior Member ttocs's Avatar
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    There were 2 different types of back-out kits and I got the cheaper one since it looked like it would do less damage to the bolt. I will get the more expensive one tomorrow and try it. I don't know if I can tap it since from what I understand this bolt hole terminates in part of the coolent passage. This bolt needed RTV on it and probably just corroded from the time in the coolant(14 yrs). If I drill and tap that will leave the broken pieces in the coolant passage and I imagine that will cause problems.

  8. #8
    Senior Member santa_rosa_lt1's Avatar
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    get something like this drill bits and flutes http://buy1.snapon.com/catalog/item....&group_ID=1254
    2003 svt Lightning
    chickenears cai

    bassani catback
    bassani catted mid
    LFP stage one W/ 4lb lower
    Fluidyne HE

    a little faster then stock.

  9. #9
    Senior Member ttocs's Avatar
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    Quote Originally Posted by santa_rosa_lt1 View Post
    get something like this drill bits and flutes http://buy1.snapon.com/catalog/item....&group_ID=1254
    I used something similar and it didn't do anything.

    If I did need to drill and tap it could I flush the coolant passage to get rid of the scrap pieces? It is the #6 bolt in the lower intake manifold if that helps any......

  10. #10
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    Last time this happened to me, (depending on how big the bolt is), i just spot welded a smaller nut onto it and then turned the nut and the bolt turns out. Dont know if you have a welder or if the bolts even big enough.

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